What is the name of movie starring Adam Sandler where he really strong and wants to be a hair stylist?

The movie you're thinking of is "Uncut Gems", starring Adam Sandler. While he's not actually a hair stylist in the movie, he plays a character who is extremely driven and has a lot of grit, similar to a strong person.

However, "Uncut Gems" does not feature a plotline where he wants to be a hair stylist. It's a thriller that follows a gambler with a gambling addiction.

Could you be thinking of a different movie? Maybe you are thinking about a movie with a different actor?